lord of the opening, a god of the Moabites (Num. 25:3;31:16; Josh. 22:17), worshipped by obscene rites. So called from Mount Peor, where this worship was celebrated, the Baal of Peor. The Israelites fell into the worship of this idol (Num. 25:3, Num. 25: 5, 18; Deut. 4:3; Psa 106:28; Hos. 9:10).